Allegiant Air's hub airport is Las Vegas McCarran International Airport. The airline also operates from a number of different bases in other states, such as Florida, Texas, California and Hawaii.
AllegiantAir.com features an interactive map showing the airline's various routes. Users can mouse over an orange or blue dot to read the name of the airport it represents and then click on the dot to view the flights to and from the airport. Active routes appear in solid gray lines, and seasonal routes appear as broken lines. Allegiant airline flies mostly from smaller airports to vacation areas. All flights are nonstop.